Itchy body in hot weather may be caused by ultraviolet light allergy, atopic dermatitis, cholinergic urticaria and so on.
1. Ultraviolet allergy: If the ultraviolet rays are relatively strong, after a long period of excessive exposure to the sun, ultraviolet allergy may occur, resulting in erythema, itching and other conditions.
2. Allergic dermatitis: this disease is mainly caused by allergens entering the human body through skin and mucous membrane contact, inhalation, injection and ingestion, resulting in an abnormal immune response, resulting in hot weather itchy patients, accompanied by tingling, redness and swelling and other symptoms.
3. Cholinergic urticaria: this disease is due to the release of acetylcholine peripheral nerves caused by small air skin disease, patients mainly manifested as small and very itchy dotted air, usually after exercise, mental stress, drinking hot food and so on. Therefore, it can also develop in hot weather with itchy symptoms.
When the weather is hot and itchy, it is recommended to go to a regular hospital in time and take targeted treatment under the guidance of the doctor. The medication should follow the doctor’s instructions, do not self-medication.